Lpc2000

--- In lpc2000@yahoogroups.com, "roland_winistoerfer" <roland.
winistoerfer@w...> wrote:
> Hi
> 
> I tried to get the JEENI ICE from EPI to work with the LPC2106, but 
> without any success. The poeple from EPI told me it would not run 
with 
> this ARM core, because there is not support of the RTCK signal on 
the 
> JTAG.
> 
> I'm a little bit confused, because I had a look at the Wiggler 
> connection schematic on the homepage of Leon Heller. The RTCK signal 
> is not used for the Wiggler (and I guess it works with the Wiggler).
> 
> The JEENI is not able to stop the core, so it is possible to debug 
> code inside the LPC2106.
> 
> Does anybody have an idea whats going on ?
> Is this actually a problem with the JEENI ?
> 
> Thanky for any hint.
> 
> Bye, Wini
> 
> Notes:
> DGBSEL is connected to 3.3V. All other JTAG signals are connected 
like 
> the Wiggler schematic from Leon.

The RTCK is used to synchonise devices with a slow clock. 
I'm quite suprised that the use of RTCK is not optional on the JEENI 
because quite a few devices do not support it.

The LPC210x has RTCK output on pin 26. Attach this to the JEENI's RTCK 
input and try that out.

-- CHarles